<template>
  <view
    v-if="show"
    class="he-loading"
    :class="mode == 'circle' ? 'he-loading-circle' : 'he-loading-flower'"
    :style="[cricleStyle]"
  >
  </view>
</template>

<script>
export default {
  name: 'he-loading',
  props: {
    // 动画的类型
    mode: {
      type: String,
      default: 'circle'
    },
    // 动画的颜色
    color: {
      type: String,
      default: '#c7c7c7'
    },
    // 加载图标的大小，单位rpx
    size: {
      type: [String, Number],
      default: '34'
    },
    // 是否显示动画
    show: {
      type: Boolean,
      default: true
    }
  },
  computed: {
    // 加载中圆圈动画的样式
    cricleStyle() {
      let style = {};
      style.width = this.size + 'rpx';
      style.height = this.size + 'rpx';
      if (this.mode === 'circle') style.borderColor = `#e4e4e4 #e4e4e4 #e4e4e4 ${this.color ? this.color : '#c7c7c7'}`;
      return style;
    }
  }
};
</script>

<style scoped>
.he-loading-circle {
  /* #ifndef APP-NVUE */
  display: inline-flex;
  /* #endif */
  vertical-align: middle;
  width: 28px;
  height: 28px;
  background: 0 0;
  border-radius: 50%;
  border: 2px solid;
  border-color: #e5e5e5 #e5e5e5 #e5e5e5 #8f8d8e;
  animation: he-circle 1s linear infinite;
}

.he-loading-flower {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
  -webkit-animation: a 1s steps(12) infinite;
  animation: he-flower 1s steps(12) infinite;
  background: transparent
    url()
    no-repeat;
  background-size: 100%;
}

@keyframes he-flower {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }

  to {
    -webkit-transform: rotate(1turn);
    transform: rotate(1turn);
  }
}

@-webkit-keyframes he-circle {
  0% {
    transform: rotate(0);
  }

  100% {
    transform: rotate(360deg);
  }
}
</style>
